Irrigation-dam



e UNITED STATES" "rmrlalar OFFICE."

` kHENRY J. -`GULLY, onnonoo, lKANSAS.

' IRRIGATION-DAM.

Specification of `Letters Patent. Patented 001;, 19, l192() Applicationfiled october 3,1919..` seriali No. 328.169.

To all w hom t may concern .'f

Be it known that l, HENRY J. GULLY, a. citizen of the United States, anda resident of Modoc, in the county of Scott and State of Kansas, haveinvented certain new and Vnseiul lmprovements in Irrigation-Dams,

wherein the dam is arranged to be displaced j at the end or' apredetermined time by drip controlled mechanism to permit the watertoilow freely after a predetermined time.

In the drawings: Figure 1 is a cross section of an irrigation ditch,'showing the dam in use;

Fig. 2 is a perspective view of the drip i g tace'of the drip cup,inposition to engage controlled mechanism;` i, c 1 .Fi'g is a` frontview of the drip cup in tripped or released position; and

Fig. 4, isa section, showing the needle valve.

In the present embodiment of the invention, a suitable dam is provided,the said dam being in the present instance a sheet of canvas l, which isadapted .tol ex'- tend across the ditch and the full depth thereof, tocheck the flow of water through the ditch. A t one of its lower cornersthe dam has an eyelet 2, in which is engaged one end of a flexiblemember 3, as for instance a rope or cable, and this fiexible memberpassing to the opposite side of the ditch is connected with the tripmechanism -for the dam. The said mechanism comprises a tripod 4, whichis a table top having three legs, preferably of metal and sharpened sothat they may be forced into the ground, as shown in Fig. l, to properlysupport the tripping mechanism in a manner to be presently described.

This tripod is adjacent tothe ditch, and on that bank which is remotefrom the eyelet 2. The tripping mechanism comprises a cup or casing 5,which is hinged to the tripod, as indicated at 6, to 'occupy theposition shown in Fig. 2 or that shown in Fig. 3. Wien in the positionof Fig. 2, that end of the casing remote from the hinge extendsAslightly` beyond the tripod top and a coiled spring 7 is arrangedbetween the tripod top and the casing, the spring acting normally.v topress the free end of the casing upwardly, that is acting normally tomove the casing into released position.y f'

A pipe 8 extends transversely of that end of they drip cup which extendsbeyond the tripod` top,and this pipe lhas an opening at aboutthe centerof the drip cup, which registers with an opening 9 inthe bottom 'ofy thedrip cupQ Thus water within the casing 5 may flowfrom the same into thepipe" Sand to aV drainy cup'lO, which ris held at one kend of the pipe.f This opening 9 is aport, with which coperates a needle valve 1.1,thesaid valve being ythreaded through the top of the drip cup kand having aroughened head 12outside of the drip cup.

VBy means of the valve, the iiow of water"-- Y lated. f

A spring latch 13 is secured to the under lightlyjover the `pipe`8,to'hld the drip A'cup untilfit "isi well overbalanced by the weight oftheL waterin the` drain cupk casing l0. The flexible 'member 3 at theend remote from the eyelet is connected with that end of the pipe remotefrom the drip cup `so that when the pipe swings under the weight ofwater in the drip cup that corner of the dam remote from the tripod willbe lifted to permit the flow of water to displace the dam.

In operation the device is arranged as shown in Fig. l, and it will bearranged at any desired point within the canal or irrigation ditch, itbeing held in place by pushing the legs firmly in the ground. The properamount of water is now placed in the'drip cup 5 and the needle valve isregulated to permit the proper flow. When the parts are arranged asshown in Fig. 2, the port 9 of the drip cup will register with theopening in the pipe 8 and the latch 13 will slightly engage the pipe toprevent accidental displacement of the drip cup. When the vvalve opensat the proper degreek there will be a steady ow of water from c the dripcup to the drain cup `and when the water in the drain cup overbalancesthe weight kof water in the drip cup, the latch will be released, thedrip cupwill be swung back upon its hinge in which position it is shownin Fig. 3. The pipe 8 will swing upon its vhinged connection with thetripod, the said pipe being hinged to the tripod top at the oppositecorner from the drip @un Y I claim:

l. in combination withV a niovable-dam for irrigation ditches, of meansfor moving the dani to peiinit the water to displacethe same, and timecontrolled mechanism for.

operating the `said means, said time controlled mechanism consisting ofa tripod, a drip cup hinged to the tripod and having a valve controlledoutlet, a hollow lever hinged to the tripod, saidflever being connectedwith the dam displacement mechanism at one end and having a drip cup atsaid lever having Yan openingv the other, registering with the port ofthe drip cup and being normally held from being re leased by latchmechanism.

2. in combination, with ,a movable` dam `i`or irrigation ditches, ofmeans for movingy the dam to permit the lwater to displace the saine,Yand time' controlled mechanism for operating the said means, said'timewcvon-` Vtrolled mechanism consisting of a tripod, a

drip cup hinged to the tripod and having a valve controlled outlet,hinged tothe tripod, said lever being connected with the damdisplacement mechanism at one end and having a drip cup at the other,said lever having an opening registering with the port of the drip. cup.

3. In combination-With armovablev dam,V

of means for moving thejdam'to permit the water to displace the same, atime controlled mechanism for operating the said a hollow lever` means,the tiine-controlled mechanism comprising a container for water, asupport to whichtlie container is hinged to swing, a springnormallyacting to' move thecon- 'tainer in one direction, a connter-weight in ythe form of a drain cup with which the cony si. A dam 'for irrigationditches compris ing a sheet oi" canvas,means for displacing the sheet,time vcontrolled mechanism for Aoperating the said displacing means,said time controlled mechanism vcomprising Va discharge vand areceivingcup ymounted to y tilt iinderan excess ofwater in the receiv-ving cup kand `connected to the `displacing mechanism,` to operate thesame when the l, clips are tilted.

o. Ei dam `for irrigation ditches compris-` A ing asheet oi' canvas,means .oredisplacing the sheet,` andY time controlled mechanism foroperating the said displacing means.v

(S. A dam for irrigation ditches,lsad1dam i'ieing 'of-iieiiiblematerial, means for? moving the damto permit the .water to displace thesame, andtime controlled mechanism -for operating thesaidmeans. Y HENRYJ. GULLY.

